A structural shape fabricated from a ferrous or nonferrous material and resembles the following cross-sectional forms: for the letter h, both flanges of the h section are equal or longer than the width measured along the axis of the web; for the letter i, a 16 2/3 percent slope on the inside face of the ferrous type flange, either one or both of the nonferrous type flanges are shorter than the length measured along the axis of the web; for the letters t and z, on nonferrous type, the web is usually at right angles to the flanges. Letter h section may have a maximum of 5 percent slope on the inside face of the flanges.
NSN 6645-01-224-8973
NSN 5895-00-734-1987
NSN 5975-01-577-0433
NSN 5999-00-105-2032
NSN 6610-01-633-8931
NSN 5985-01-343-3304
NSN 5985-01-254-2623
NSN 5999-00-904-4210
NSN 6610-01-167-8747
NSN 5915-00-917-6814
NSN 6110-00-431-0402
NSN 5985-01-055-5656